Home / 35,889.98-49,528.17-20,783.43

Finding the Fourth Proportional to 35,889.98, 49,528.17 and 20,783.43

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Solution

The fourth proportional to 35,889.98, 49,528.17 and 20,783.43 is: 28,681.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,889.98 : 49,528.17 = 20,783.43 : x
  2. Step 2: Convert to fraction form
    35,889.98/49,528.17 = 20,783.43/x
  3. Step 3: Cross multiply
    35,889.98x = 49,528.17 × 20,783.43
  4. Step 4: Simplify right side
    35,889.98x = 1,029,365,254.22
  5. Step 5: Solve for x
    x = 1,029,365,254.22/35,889.98
  6. Step 6: Final answer
    x = 28,681.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.